package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @Author: WackyBoy
 * @Date: 2021/6/21 14:24
 * 集中处理所有异常
 */

@Slf4j
//@ResponseBody
//@ControllerAdvice()
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {


    @ExceptionHandler(value = MethodArgumentNotValidException.class)    // 指定异常类型
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题：{}， 异常类型：{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError) -> {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });

        return R.error(BizCodEnum.VALID_EXCEPTION.getCode(), BizCodEnum.VALID_EXCEPTION.getMsg()).put("data", errorMap);
    }

    @ExceptionHandler(value = Throwable.class)                          // 指定异常类型
    public R handleException(Throwable throwable) {

        log.error("错误", throwable);
        return R.error(BizCodEnum.UNKNOWN_EXCEPTION.getCode(), BizCodEnum.UNKNOWN_EXCEPTION.getMsg());
    }






}
